41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
addEventListener('keydown', (event) => {
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let target = event.originalTarget || event.composedPath()[0];
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if (!target.hasAttribute("placeholder")) return;
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if (!target.placeholder.toLowerCase().includes("prompt")) return;
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let plus = "ArrowUp"
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let minus = "ArrowDown"
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if (event.key != plus && event.key != minus) return;
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selectionStart = target.selectionStart;
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selectionEnd = target.selectionEnd;
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if(selectionStart == selectionEnd) return;
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event.preventDefault();
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if (selectionStart == 0 || target.value[selectionStart - 1] != "(") {
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target.value = target.value.slice(0, selectionStart) +
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"(" + target.value.slice(selectionStart, selectionEnd) + ":1.0)" +
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target.value.slice(selectionEnd);
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target.focus();
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target.selectionStart = selectionStart + 1;
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target.selectionEnd = selectionEnd + 1;
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} else {
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end = target.value.slice(selectionEnd + 1).indexOf(")") + 1;
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weight = parseFloat(target.value.slice(selectionEnd + 1, selectionEnd + 1 + end));
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if (event.key == minus) weight -= 0.1;
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if (event.key == plus) weight += 0.1;
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weight = parseFloat(weight.toPrecision(12));
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target.value = target.value.slice(0, selectionEnd + 1) +
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weight +
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target.value.slice(selectionEnd + 1 + end - 1);
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target.focus();
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target.selectionStart = selectionStart;
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target.selectionEnd = selectionEnd;
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}
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});
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